gdb/serial.h

   1 /* Remote serial support interface definitions for GDB, the GNU Debugger.
   2    Copyright 1992 Free Software Foundation, Inc.
   3
   4 This file is part of GDB.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 #ifdef HAVE_TERMIO
  21
  22 #include <termios.h>
  23 #include <unistd.h>
  24
  25 struct ttystate
  26 {
  27   int flags;                    /* Flags from fcntl F_GETFL */
  28   struct termios termios;       /* old tty driver settings */
  29 };
  30
  31 #else /* not HAVE_TERMIO */
  32
  33 #include <sgtty.h>
  34
  35 struct ttystate {
  36   int flags;                    /* Flags from fcntl F_GETFL */
  37   struct sgttyb sgttyb;         /* old tty driver settings */
  38 };
  39
  40 #endif /* not HAVE_TERMIO */
  41 /* Return a sensible default name for a serial device, something which
  42    can be used as an argument to serial_open.  */
  43
  44 const char *serial_default_name PARAMS ((void));
  45
  46 /* Try to open the serial device "name", return 1 if ok, 0 if not.  */
  47
  48 int serial_open PARAMS ((const char *name));
  49
  50 /* Turn the port into raw mode.  */
  51
  52 void serial_raw PARAMS ((int fd, struct ttystate *oldstate));
  53
  54 /* Turn the port into normal mode.  */
  55
  56 void serial_normal PARAMS ((void));
  57
  58 /* Read one char from the serial device with <TO>-second timeout.
  59    Returns char if ok, else EOF, -2 for timeout, -3 for anything else  */
  60
  61 int serial_readchar PARAMS ((int to));
  62
  63 /* Set the baudrate to the decimal value supplied, and return 1, or fail and
  64    return 0.  */
  65
  66 int serial_setbaudrate PARAMS ((int rate));
  67
  68 /* Return the next rate in the sequence, or return 0 for failure.  */
  69
  70 /* Write some chars to the device, returns 0 for failure.  See errno for
  71    details. */
  72
  73 int serial_write PARAMS ((const char *str, int len));
  74
  75 /* Close the serial port */
  76
  77 void serial_close PARAMS ((void));